Hank Greenberg says government unlawfully used AIG rescue package to help Wall Street firms in crisis

Former American International Group Inc. Chief Executive Maurice R. “Hank” Greenberg will appeal not just the parts of a federal court ruling that didn’t go in his favor, but is seeking to revive claims that had been dismissed in 2013, his legal team said in a filing Thursday.

The notice of appeal comes three days after the U.S. Court of Federal Claims ruled in favor of Mr. Greenberg and other shareholders in the class-action suit...